Quote Originally Posted by thefishgirl View Post
I also have a box of Crystal Sea MarineMix. I've been hesitant about using that after reading some threads on it from a few years ago. I think if I start a new tank with it, I'll be OK. Something about mixing salt brands can be bad news for a tank. Not sure, would definitely expect someone with more experience than me to comment on that.
Don't use it. I used it for a long time with no problems, but I saw too many local reefers have horrible problems with this salt. While no one can certainly pinpoint the salt as the problem, the evidence was enough for me to switch.

I use and have used Tropic Marin for years and I'm very happy with it. Preuss uses this as well. The only problem, is that I don't know who sells it in SE Michigan